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13120343204210 = 25111144310423477
BaseRepresentation
bin1011111011101101000101…
…1001010110000101110010
31201110021220021110201102222
42332323101121112011302
53204430430330013320
643523222533041042
72522625223065224
oct276732131260562
951407807421388
1013120343204210
1141a9340768260
12157a988486182
13742320cb96a8
14335056b8a414
1517b454832825
hexbeed1656172

13120343204210 has 32 divisors (see below), whose sum is σ = 25765836962112. Its totient is φ = 4770616495680.

The previous prime is 13120343204179. The next prime is 13120343204219. The reversal of 13120343204210 is 1240234302131.

It is a self number, because there is not a number n which added to its sum of digits gives 13120343204210.

It is not an unprimeable number, because it can be changed into a prime (13120343204219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3953009 + ... + 6470468.

It is an arithmetic number, because the mean of its divisors is an integer number (805182405066).

Almost surely, 213120343204210 is an apocalyptic number.

13120343204210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13120343204210 is a deficient number, since it is larger than the sum of its proper divisors (12645493757902).

13120343204210 is a wasteful number, since it uses less digits than its factorization.

13120343204210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10434938.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 13120343204210 its reverse (1240234302131), we get a palindrome (14360577506341).

The spelling of 13120343204210 in words is "thirteen trillion, one hundred twenty billion, three hundred forty-three million, two hundred four thousand, two hundred ten".

Divisors: 1 2 5 10 11 22 55 110 11443 22886 57215 114430 125873 251746 629365 1258730 10423477 20846954 52117385 104234770 114658247 229316494 573291235 1146582470 119275847311 238551694622 596379236555 1192758473110 1312034320421 2624068640842 6560171602105 13120343204210